Fenton, IL 14 Day Weather - 61251 WeatherWorld.com
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Fenton, IL Weather Forecast


Fenton, IL Weather Forecast Dated: 835 PM Wed Sep 02 2026 (Fenton Time)
Expect a very warm period with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.
Wednesday, September 2, 2026
Mid-Morning
79°F 26°C
Sunny
Mid-Afternoon
99°F 37°C
Sunny
Early-Evening
87°F 31°C
Sunny
Sizzling hot near 99°F 37°C with a heat index reaching 108°F 42°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds turning from the SW to the SSE at 10 mph 16 km/h. Gusts up to 23 mph 36 km/h.
Thursday, September 3, 2026
Mid-Morning
81°F 27°C
Overcast
Mid-Afternoon
94°F 34°C
Nearby Thunderstorms
Early-Evening
79°F 26°C
Heavy Thunderstorms
Hot and sweltering around 94°F 34°C (heat index 100°F 38°C), locally heavy thunderstorms at times, with steady humidity and steady pressure. Winds switching from the S to the SE at 13 mph 21 km/h.
Friday, September 4, 2026
Mid-Morning
76°F 24°C
Scattered Showers
Mid-Afternoon
94°F 34°C
Sunny
Early-Evening
86°F 30°C
Sunny
Very hot with a high of 94°F 34°C, feeling closer to 101°F 39°C in the humidity, locally heavy downpours at times, with steady humidity and steady pressure. Winds moving from the NNE to the S at 9 mph 13 km/h.
Saturday, September 5, 2026
Mid-Morning
79°F 26°C
Overcast
Mid-Afternoon
91°F 33°C
Sunny
Early-Evening
83°F 29°C
Sunny
Sizzling hot near 91°F 33°C with a heat index reaching 99°F 37°C, overcast in the morning, sunny in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds swinging from the W to the ENE at 10 mph 16 km/h.
Sunday, September 6, 2026
Mid-Morning
74°F 23°C
Partly Cloudy
Mid-Afternoon
81°F 27°C
Partly Cloudy
Early-Evening
74°F 24°C
Sunny
Very warm with a high of 81°F 27°C, cloudy throughout the day, with steady humidity and steady pressure. Winds shifting from the ESE to the ENE at 9 mph 14 km/h.
Monday, September 7, 2026
Mid-Morning
68°F 20°C
Overcast
Mid-Afternoon
77°F 25°C
Sunny
Early-Evening
75°F 24°C
Overcast
Pleasant near 77°F 25°C, overcast in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds SE at 11 mph 18 km/h. Gusts up to 20 mph 32 km/h.
Tuesday, September 8, 2026
Mid-Morning
77°F 25°C
Overcast
Mid-Afternoon
96°F 36°C
Overcast
Early-Evening
89°F 32°C
Sunny
Sizzling hot near 96°F 36°C with a heat index reaching 102°F 39°C, overcast in the morning, partly cloudy in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds switching from the S to the SSE at 9 mph 13 km/h.
Wednesday, September 9, 2026
Mid-Morning
79°F 26°C
Overcast
Mid-Afternoon
87°F 30°C
Overcast
Early-Evening
82°F 28°C
Nearby Thunderstorms
Quite warm reaching 87°F 30°C, feeling like 94°F 34°C during peak afternoon, locally heavy thunderstorms at times, with steady humidity and steady pressure.
Thursday, September 10, 2026
Mid-Morning
74°F 23°C
Light Fog
Mid-Afternoon
81°F 27°C
Light Showers
Early-Evening
76°F 24°C
Scattered Showers
Warm temperatures up to 81°F 27°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds blowing from the NNE at 6 mph 9 km/h.
Friday, September 11, 2026
Mid-Morning
68°F 20°C
Light Fog
Mid-Afternoon
82°F 28°C
Light Showers
Early-Evening
79°F 26°C
Scattered Showers
Very warm with a high of 82°F 28°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure falling. Winds swinging from the ESE to the SE at 12 mph 19 km/h. Gusts up to 25 mph 39 km/h.
Saturday, September 12, 2026
Mid-Morning
81°F 27°C
Cloudy
Mid-Afternoon
94°F 34°C
Sunny
Early-Evening
86°F 30°C
Sunny
Hot and sweltering around 94°F 34°C (heat index 98°F 37°C), partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds shifting from the SSW to the WSW at 9 mph 15 km/h. Gusts up to 24 mph 38 km/h.
Sunday, September 13, 2026
Mid-Morning
75°F 24°C
Scattered Showers
Mid-Afternoon
74°F 24°C
Light Showers
Early-Evening
73°F 23°C
Scattered Showers
Comfortable with temperatures reaching 74°F 24°C, locally heavy downpours at times, with steady humidity and barometric pressure rising. Winds tapering down from SSW 14 mph 23 km/h to NW 5 mph 8 km/h.
Monday, September 14, 2026
Mid-Morning
66°F 19°C
Overcast
Mid-Afternoon
72°F 22°C
Overcast
Early-Evening
66°F 19°C
Overcast
Enjoyable around 72°F 22°C, overcast throughout the day, with increasing humidity and steady pressure.
Tuesday, September 15, 2026
Mid-Morning
66°F 19°C
Overcast
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
73°F 23°C
Sunny
Warm temperatures up to 82°F 28°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds switching from the W to the NW at 8 mph 13 km/h.
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